3...Bc5 and ....a6. White plays d4 and later f4 ...Bg4 Nge2 ok G Seul vs A Mende, 1992  (C26) Vienna, 31 moves, 1-0 ...Bc5 and ...a6 whites d4 and layer f4. Whites best ...Bg4 Qd3 J M Boey vs R Roth, 1962 (C26) Vienna, 30 moves, 1-0 ...Bc5 and....a6 white opts foe Nde2-f4-d5. Delayed f4 turn ram G Szabo vs N Milchev, 2008 (C26) Vienna, 38 moves, 1-0 ...Bc5 and..a6. ..Nc6 whit can use center fork trick initiative A Das vs J Mohammad, 2008 (C46) Three Knights, 26 moves, 1-0 ...Bc5 and ...Nc6 and ..O-O center fork trick ...Bxf2 H Perez Garcia vs Fidelity, 1992  (C26) Vienna, 46 moves, 1-0 ...Bc5 ...Nc6...d6 Nh4 and f4 R Griffiths vs S Mulligan, 2007 (C47) Four Knights, 19 moves, 1-0 Alekhine 2..Nf6 3.f4- Ne1-Xf4 -typ maneuver-white traps queen Alekhine vs V Manko, 1905  (C25) Vienna, 24 moves, 1-0 7 games